RFR: 8326611: Clean up vmTestbase/nsk/stress/stack tests [v2]

[Coleen Phillimore]

On Mon, 26 Feb 2024 18:08:09 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

>> The vmTestbase/nsk/stress/stack might be slightly refactored to improve reading. Mostly, simple refactoring.
>> Test logic was not changed, except removing verbose mode and enabling printing.
>
> Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update test/hotspot/jtreg/vmTestbase/nsk/stress/stack/stack009.java
>   
>   Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>

Could these tests be moved to hotspot/jtreg/runtime/stack directory and out of vmTestbase since that's just the origin of these tests but they more properly belong to runtime.

The cleanups look good.

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PR Review: https://git.openjdk.org/jdk/pull/17993#pullrequestreview-1904634926